package com.shujia.day11;

/*
    把数组拼接成一个字符串
 */
public class StringBufferTest1 {
    public static void main(String[] args) {
        int[] arr = {11,22,33,44,55}; // "[11,22,33,44,55]"

        StringBuffer sb = new StringBuffer("[");
        for(int i=0;i<arr.length;i++){
            if(i==arr.length-1){
                sb.append(arr[i]).append("]");
            }else {
                sb.append(arr[i]).append(",");
            }
        }
        String res = sb.toString();
        System.out.println(res);
    }
}
